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6c5fc504d0
PMSR request teardown must abort active measurements while the
wireless_dev is still present in the driver. cfg80211_leave_locked() and
cfg80211_stop_pd() already do this before invoking the driver's stop
callback, but cfg80211_stop_p2p_device() and cfg80211_stop_nan() do not.
Those helpers are also called directly by nl80211, rfkill shutdown, and
wireless_dev unregister paths. If one of these paths stops a P2P device
or NAN interface with a pending request, it removes the mac80211
subinterface from the driver first. Subsequent request cleanup cannot
reach the lower driver's abort callback, but cfg80211 frees the request
regardless. Driver state can then retain a stale request and use it when
it later reports a result.
Call cfg80211_pmsr_wdev_down() before stopping the P2P device or NAN
interface. This keeps lower-driver request state and cfg80211 request
ownership in sync for all of the helpers' callers.
Fixes:
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